ATE83479T1 - Herstellung von pyridazinon. - Google Patents
Herstellung von pyridazinon.Info
- Publication number
- ATE83479T1 ATE83479T1 AT89309086T AT89309086T ATE83479T1 AT E83479 T1 ATE83479 T1 AT E83479T1 AT 89309086 T AT89309086 T AT 89309086T AT 89309086 T AT89309086 T AT 89309086T AT E83479 T1 ATE83479 T1 AT E83479T1
- Authority
- AT
- Austria
- Prior art keywords
- pyridazinone
- production
- regulant
- cyclising
- phenylhydrazone
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title abstract 2
- AAILEWXSEQLMNI-UHFFFAOYSA-N 1h-pyridazin-6-one Chemical compound OC1=CC=CN=N1 AAILEWXSEQLMNI-UHFFFAOYSA-N 0.000 title 1
- QJJQVVAYNHEGFH-UHFFFAOYSA-N 4-oxo-3h-pyridazine-3-carboxylic acid Chemical class OC(=O)C1N=NC=CC1=O QJJQVVAYNHEGFH-UHFFFAOYSA-N 0.000 abstract 1
- HHLFWLYXYJOTON-UHFFFAOYSA-N Glyoxylic acid Natural products OC(=O)C=O HHLFWLYXYJOTON-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- -1 glyoxylic acid halide Chemical class 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D237/00—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings
- C07D237/02—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings
- C07D237/06—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
- C07D237/10—Heterocyclic compounds containing 1,2-diazine or hydrogenated 1,2-diazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hetero atoms or with carbon atoms having three bonds to hetero atoms with at the most one bond to halogen, e.g. ester or nitrile radicals, directly attached to ring carbon atoms
- C07D237/24—Carbon atoms having three bonds to hetero atoms with at the most one bond to halogen
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Pharmaceuticals Containing Other Organic And Inorganic Compounds (AREA)
- Plural Heterocyclic Compounds (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Nitrogen And Oxygen As The Only Ring Hetero Atoms (AREA)
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB888821447A GB8821447D0 (en) | 1988-09-13 | 1988-09-13 | Pyridazinone manufacture |
| EP89309086A EP0359474B1 (de) | 1988-09-13 | 1989-09-07 | Herstellung von Pyridazinon |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ATE83479T1 true ATE83479T1 (de) | 1993-01-15 |
Family
ID=10643512
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT89309086T ATE83479T1 (de) | 1988-09-13 | 1989-09-07 | Herstellung von pyridazinon. |
Country Status (8)
| Country | Link |
|---|---|
| US (1) | US5003068A (de) |
| EP (1) | EP0359474B1 (de) |
| AT (1) | ATE83479T1 (de) |
| AU (1) | AU612894B2 (de) |
| DE (1) | DE68903908T2 (de) |
| ES (1) | ES2054013T3 (de) |
| GB (1) | GB8821447D0 (de) |
| GR (1) | GR3006567T3 (de) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| ZA885824B (en) * | 1987-08-14 | 1989-04-26 | Merrell Dow Pharma | Novel antidepressants |
| US5189163A (en) * | 1989-08-30 | 1993-02-23 | Imperial Chemical Industries Plc | Method of preparing pyridazinone derivatives |
| GB8919622D0 (en) * | 1989-08-30 | 1989-10-11 | Ici Plc | A method of preparing pyridazinone derivatives |
Family Cites Families (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2783232A (en) * | 1957-02-26 | Pyridazone compounds and their | ||
| GR75799B (de) * | 1980-10-03 | 1984-08-02 | Ici Plc | |
| DK154836C (da) * | 1982-03-04 | 1989-05-16 | Ici Plc | Substituerede pyridaziner, deres anvendelse som plantevaekstreguleringsmidler og plantevaekstreguleringsmidler, der indeholder dem |
| US4623378A (en) * | 1983-08-10 | 1986-11-18 | Ciba-Geigy Corporation | Gametocidal pyridazinylcarboxylic acid derivatives |
| US4561881A (en) * | 1983-09-14 | 1985-12-31 | Lafarge Coppee | Pollen suppressant comprising a pyridazolylamine |
| GB8821449D0 (en) * | 1988-09-13 | 1988-10-12 | Ici Plc | Pyridazinone manufacture |
-
1988
- 1988-09-13 GB GB888821447A patent/GB8821447D0/en active Pending
-
1989
- 1989-09-07 AT AT89309086T patent/ATE83479T1/de not_active IP Right Cessation
- 1989-09-07 DE DE8989309086T patent/DE68903908T2/de not_active Expired - Fee Related
- 1989-09-07 EP EP89309086A patent/EP0359474B1/de not_active Expired - Lifetime
- 1989-09-07 ES ES89309086T patent/ES2054013T3/es not_active Expired - Lifetime
- 1989-09-13 AU AU41373/89A patent/AU612894B2/en not_active Ceased
- 1989-09-13 US US07/406,650 patent/US5003068A/en not_active Expired - Lifetime
-
1992
- 1992-12-17 GR GR920402589T patent/GR3006567T3/el unknown
Also Published As
| Publication number | Publication date |
|---|---|
| DE68903908T2 (de) | 1993-04-22 |
| US5003068A (en) | 1991-03-26 |
| EP0359474B1 (de) | 1992-12-16 |
| EP0359474A1 (de) | 1990-03-21 |
| ES2054013T3 (es) | 1994-08-01 |
| GR3006567T3 (de) | 1993-06-30 |
| DE68903908D1 (de) | 1993-01-28 |
| AU4137389A (en) | 1990-03-22 |
| GB8821447D0 (en) | 1988-10-12 |
| AU612894B2 (en) | 1991-07-18 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| UEP | Publication of translation of european patent specification | ||
| REN | Ceased due to non-payment of the annual fee |